Two powerful solar flares erupted from the surface of the sun Wednesday, disrupting radio communications on Earth's day side. And we may see some other effects in the coming days, mainly in the form of northern lights.

Dangerous Hurricane Irma was intensifying as it approached the northern Lesser Antilles Islands on Monday morning, where hurricane warnings are in effect. Irma may affect the Greater Antilles later this week, and a U.S. landfall is possible.

Hyundai Motor Co said on Thursday it was placing electric vehicles at the center of its product strategy - one that includes plans for a premium long-distance electric car as it seeks to catch up to Tesla and other rivals.

Americans' debt level notched another record high in the second quarter, after having earlier in the year surpassed its pre-crisis peak, on the back of modest rises in mortgage, auto and credit card debt, where delinquencies jumped.

The damage inflicted on world stocks this week by the escalating war of words over North Korea topped $1 trillion on Friday, as investors again took cover in the yen, the Swiss franc, gold and government bonds.